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Aaij, R.; Beaucourt, L.; Chefdeville, M.; Decamp, D.; Déléage, N.; Ghez, P.; Lees, J.-P.; Marchand, J.-F.; Minard, M.-N.; Pietrzyk, B.; t'Jampens, S.; Tisserand, V.; Tournefier, E.; Ajaltouni, Z.J.; Baalouch, M.; Cogneras, E.; Deschamps, O.; El Rifai, I.; Gazzoni, G.; Grabalosa Gándara, M.; Henrard, Pierre; Hoballah, M.; Kozeiha, M.; Lefèvre, R.; Maratas, J.; Monteil, S.; Niess, V.; Perret, P.; Akar, S.; Aslanides, E.; Cogan, J.; Bruyn, K. De; Kanso, W.; Legac, R.; Leroy, O.; Mancinelli, G.; Martin, M.; Mordà, A.; Serrano, J.; Tayduganov, A.; Tsaregorodtsev, A.; Amhis, Y.; Barsuk, S.; Fleuret, F.; Kochebina, O.; Lefrançois, J.; Li, Y.; Machefert, F.; Manca, G.; Massacrier, L.M.; Quagliani, R.; Renaudin, V.; Robbe, P.; Schune, M.-H.; Vallier, A.; Viaud, B.; Wormser, G.
The journal of high energy physics, 05/2016, Letnik: 5Journal Article
A search is performed for the charmless three-body decays of the Λ0b and Ξ0b baryons to the final states Λh+h′−, where h(′)=π or K. The analysis is based on a data sample, corresponding to an integrated luminosity of 3fb−1 of pp collisions, collected by the LHCb experiment. The Λ0b→ΛK+π− and Λ0b→ΛK+K− decays are observed for the first time and their branching fractions and CP asymmetry parameters are measured. Evidence is seen for the Λ0b→Λπ+π− decay and limits are set on the branching fractions of Ξ0b baryon decays to the Λh+h′− final states.
